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Backend Engineering

Senior / Lead Go Backend Engineer

Design and evolve the core backend of an AI-driven international commerce platform.
Salary
CNY 20–35K / month · 13 months
Experience
5–10 years
Education
Bachelor degree
Location
Chebei, Tianhe · Guangzhou

Responsibilities

  1. Independently own backend architecture, domain modeling, API design, data models and core engineering standards.
  2. Design complex business objects, state machines, workflow orchestration, AI capabilities, event notifications and exception-return mechanisms.
  3. Build reliable asynchronous tasks, file processing, permission auditing, data consistency and observability capabilities.
  4. Evaluate integration boundaries for low-code, ERP, CRM and third-party systems, deciding which capabilities belong in cloud services and which must remain core backend logic.
  5. Lead integration of Go services with databases, message queues, object storage, third-party workers, HOOPS and 3D-file processing pipelines.
  6. Define secure boundaries for AI Agent, Tool and Skill access to backend capabilities, including authorization and parameter validation.
  7. Own critical issue investigation, performance optimization, reliability, testing and engineering metrics.
  8. Work with product, frontend, QA and business teams to clarify requirements and turn complex operations into maintainable systems.

Requirements

  1. At least five years of backend experience, including ownership of core modules in medium or large business systems.
  2. Deep Go expertise and strong engineering practice, including concurrency, performance, error handling, testing and maintainability.
  3. Experience with complex domain modeling, transactional consistency, state machines, audit logs, permissions and domain architecture.
  4. Experience with workflow engines, rules engines, messaging middleware, ERP, CRM or third-party enterprise-system integration is preferred.
  5. Experience with PostgreSQL, Redis, message queues, object storage, Docker and common server infrastructure.
  6. ERP, CRM, supply chain, order fulfillment, payment, finance reconciliation, B2B-platform or industrial-software experience is preferred.
  7. Experience with AI Agents, MCP, Tool Servers, RAG, structured output, automated workflows or AI-assisted development is preferred.
  8. Knowledge of CAD, STEP, HOOPS, 3D-file processing or manufacturing is preferred.

Role details are subject to final confirmation.